640161.0000000

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{967}}^1$

素因数の和:1082

約数の個数: 16

約数和(自身を含む): 12545280

約数和(自身を除く): 3473853

約数列:

[1, 3, 53, 59, 159, 177, 967, 2901, 3127, 9381, 51251, 57053, 153753, 171159, 3023809, 9071427]

約数ペア:

[(1, 9071427), (3, 3023809), (53, 171159), (59, 153753), (159, 57053), (177, 51251), (967, 9381), (2901, 3127)]